Eaton 4418 GRT Wiring trough - CSA Certified UL Listed
Part Number: 4418 GRT
Quick Summary
Eaton 4418 GRT Wiring trough is a durable steel raceway designed to organize and protect wiring inside electrical enclosures and control panels. This GRT trough helps reduce cable tangling and wear during installation, addressing common retrofit challenges and inefficient wiring routes. The product carries CSA Certified and UL Listed certifications and offers NEMA 3R compatibility for versatile indoor and limited outdoor use. By integrating with the Eaton B-Line series ecosystem, it simplifies procurement and field assembly, delivering faster project turnarounds and lower total cost of ownership through standardized, dependable cable management.
Product Information
Extended Description
4418 GRT Eaton: Eaton B-Line series wiring trough, 4" height, 18" length, 4" width, GRT wiring trough, Embossed thru holes, 5 bottom knockouts, Screw cover, NEMA 3R, Steel, Plated screws, ANSI 61 gray, 16 gauge
Product Name
Eaton B-Line series wiring trough
Catalog Number
4418 GRT
UPC
782051140637
Product Length/Depth
18 in
Product Height
4 in
Product Width
4 in
Product Weight
6.078 lb
Certifications
CSA Certified UL Listed
Material thickness
16 gauge
Finish color
ANSI 61 gray
Closure type
Plated screws
Mounting method
Embossed thru holes
Special features
Cover is held secure by flange and plated screws
Type
GRT wiring trough
The 4418 GRT features 16 gauge steel construction, providing robust mechanical strength that resists deformation in crowded panels and demanding environments, which translates to fewer field adjustments and longer service life in high-density wiring scenarios. This translates to measurable efficiency gains during panel builds and reduces maintenance downtime when cables are reworked or expanded. The 18 inch length and 4 inch by 4 inch footprint optimize space in compact enclosures, enabling cleaner routing and easier access for testing and commissioning, especially in upgrade projects using existing B-Line components. Embossed thru holes and five bottom knockouts offer flexible mounting options and feed-through capabilities, supporting rapid reconfiguration as systems evolve and minimizing the need for custom fabrication. The screw cover with flange and plated screws provides a secure, tamper-resistant, and corrosion-resistant enclosure interface, improving long-term reliability in production environments. ANSI 61 gray finish keeps a consistent aesthetic and reduces rework due to mismatched hardware in shared facilities, while the 4418 GRT remains compatible with standard B-Line accessories to streamline installation and future expansions.
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FAQs
Yes. The 4418 GRT is designed for seamless integration with Eaton's B-Line series wiring trough systems. It uses embossed thru holes for mounting and a screw cover with plated screws to secure the cover, supporting standard installation practices in control panels and electrical enclosures. The 4x4 inch footprint and 18 inch length align with common B-Line patterns, simplifying accessory selection and field fitting.
Key specs include 18 in length, 4 in height, and 4 in width, with 16 gauge steel construction and ANSI 61 gray finish. It weighs about 6.078 lb and features five bottom knockouts, embossed thru holes for mounting, and a screw cover secured by plated screws, delivering a durable, serviceable channel for wiring.
Ideal for electrical enclosures, control panels, and rugged industrial cabinets where reliable cable management and fast installation are required. Its dimensions fit compact panel layouts, and NEMA 3R compatibility supports indoor and limited outdoor conditions. The design supports scalable wiring upgrades and easy reconfiguration with other Eaton B-Line components.
The 4418 GRT carries CSA Certified and UL Listed marks, indicating compliance with recognized safety standards for electrical components. It also aligns with NEMA 3R-rated applications for certain enclosure environments, providing added assurance for indoor and select outdoor usage and reliable performance in regulated settings.
Two Eaton documents are available: the Wiring Trough Catalog Pages and the Eaton Specification Sheet for 4418 GRT. These PDFs provide installation guidance, dimensional data, and compatibility information, helping engineers optimize panel design, accelerate procurement, and justify the return on investment through standardized, code-compliant cable management.